-4f^2+4=0

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Solution for -4f^2+4=0 equation: 


Simplifying
-4f2 + 4 = 0

Reorder the terms:
4 + -4f2 = 0

Solving
4 + -4f2 = 0

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + -4 + -4f2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -4f2 = 0 + -4
-4f2 = 0 + -4

Combine like terms: 0 + -4 = -4
-4f2 = -4

Divide each side by '-4'.
f2 = 1

Simplifying
f2 = 1

Take the square root of each side:
f = {-1, 1}

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